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<TABLE align=right><TR><TD><FONT face=verdana size=0><A HREF="gramch14.html">CHAPTER 14</A></FONT></TD></TR></TABLE>
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<CENTER><B>EXERCISES for Chapter 14</B></CENTER></FONT></TD></TR></TABLE><P>

<A NAME="1"></A>
1. Rewrite each of the following sentences, changing the subject of the verb to the singular, inserting <B>a</B> or <B>an</B> before the subject, as appropriate, and changing the verb to agree with the subject. For example:<BR>
&nbsp; &nbsp; &nbsp; Violins are difficult to play.<BR>
&nbsp; &nbsp; &nbsp; A violin is difficult to play.<BR>
<BR>
&nbsp; &nbsp; &nbsp; Unions have been formed.<BR>
&nbsp; &nbsp; &nbsp; A union has been formed.<BR>
<BR>
&nbsp; &nbsp; &nbsp; Answers are always provided.<BR>
&nbsp; &nbsp; &nbsp; An answer is always provided.<BR>
<BR>
&nbsp; &nbsp; &nbsp; Heirs have many friends.<BR>
&nbsp; &nbsp; &nbsp; An heir has many friends.<BR>
<BR>
1. Avocados are expensive.<BR>
2. Windows are an important feature of an artist's studio.<BR>
3. Umbrellas should not be used during a thunderstorm.<BR>
4. Horses can be useful in the mountains.<BR>
5. Cashews are a type of nut.<BR>
6. Onions can be used for flavoring soup.<BR>
7. Trucks have many uses.<BR>
8. Hours passed.<BR>
9. Sentences should have proper punctuation.<BR>
10. Escalators are very convenient.<BR>
11. Uniforms must be worn.<BR>
12. Boxes were found on the floor.<BR>
13. Marshes lie beyond the city boundary.<BR>
14. Ideas can be valuable.<BR>
15. Eggs are a good source of protein.<BR>
<A HREF="#a1">Answers</A>
<A NAME="2"></A>
<BR>
<BR>
2. Fill in each blank with either the indefinite article (<B>a</B>   or <B>an</B>) or the definite article (<B>the</B>). Use <B>a</B> or <B>an</B> with nouns referring to people or things which have <U>not</U> been mentioned previously, and use <B>the</B>  with nouns referring to people or things which <U>have</U> been mentioned
previously.<BR>
<BR>
I had never visited Seretnay Park before. Last week I went to  ____ park and chose ____ tour to take. There were twenty tourists and one guide. ____ guide asked what we wanted to see. I said I had never seen ____ eagle, and I would like to see one. ____ child on ____ tour said he would like to see ____ beaver, since he had heard there were many in ____ park. ____ guide said he would do his best. First he led us along ____ road, and then we turned off onto ____ path. To our right was ____ marshy pond.<BR>
<BR>
Suddenly ____ child who had spoken before shouted, "Look! I see ____ beaver!"  Of course ____ beaver was startled. It slapped its tail and disappeared into pond.<BR>
<BR>
Our guide pointed to ____ pile of sticks and said, "That's where ____
beaver lives. That's his house."  I had my camera with me, and took ____ photograph of ____ house.<BR>
<BR>
As we were standing there, ____ guide was looking across ____ pond
through ____ small telescope. After a minute, he tapped my shoulder and handed me ____ telescope. He pointed to ____ tall tree and said, "Do you see that white speck? That's ____ bald eagle."<BR>
<BR>
I had difficulty focusing ____ telescope, but finally I saw ____ eagle. As I watched, ____ eagle spread its wings and soared over the water.<BR>
<BR>
It was ____ wonderful experience for me to see some of the wild
creatures that live in ____ park.<BR>
<A HREF="#a2">Answers</A>
<A NAME="3"></A>
<BR>
<BR>
3. Fill in each blank with <B>a</B>, <B>an</B> or <B>the</B>. Be prepared to justify your choice. For example:<BR>
&nbsp; &nbsp; &nbsp; ___ moon is full tonight.<BR>
&nbsp; &nbsp; &nbsp; <U>The</U> moon is full tonight.<BR>
<BR>
&nbsp; &nbsp; &nbsp; He is ___ singer.<BR>
&nbsp; &nbsp; &nbsp; He is <U>a</U> singer.<BR>
<BR>
&nbsp; &nbsp; &nbsp; Please sit in ___ center of the boat.<BR>
&nbsp; &nbsp; &nbsp; Please sit in <U>the</U> center of the boat.<BR>
<BR>
&nbsp; &nbsp; &nbsp; The room costs twenty dollars ___ day.<BR>
&nbsp; &nbsp; &nbsp; The room costs twenty dollars <U>a</U> day.<BR>
<BR>
&nbsp; &nbsp; &nbsp; ___ wheel is considered one of mankind's most important inventions.<BR>
&nbsp; &nbsp; &nbsp; <U>The</U> wheel is considered one of mankind's most important inventions.<BR>
<BR>
1. His aunt is ____ teacher.<BR>
2. ____ architect is trained in design, drafting, and economics.<BR>
3. ____ ostrich is the world's largest bird.<BR>
4. Buses pass this point two or three times ____ hour.<BR>
5. Plants gain energy from the light of ____ sun.<BR>
6. I woke up in ____ middle of the night.<BR>
7. She is ____ doctor.<BR>
8. ____ seal is an excellent swimmer.<BR>
9. Our eyes usually blink several times ____ minute.<BR>
10. At ____ equator, sunrise occurs at the same time each day.<BR>
11. He is ____ author.<BR>
12. They wanted to hear ____ end of the story.<BR>
13. Such a severe storm occurs only once ____ decade.<BR>
14. Mount Everest is tallest mountain in ____ world.<BR>
15. There is an index at ____ back of the book.<BR>
<A HREF="#a3">Answers</A>
<BR>

&nbsp;<BR>
<TABLE cellpadding=5 cellspacing=0 width="90%"><TR><TD BGCOLOR="#111111">
<FONT COLOR="#FFFFFF">
<CENTER><B>ANSWERS TO THE EXERCISES for Chapter 14</B></CENTER></FONT></TD></TR></TABLE><P>
<A NAME="a1"></A>
Answers to <A HREF="#1">Exercise 1</A>:<BR>
1. An avocado is 2. A window is 3. An umbrella should not be used
4. A horse can be 5. A cashew is 6. An onion can be used 7. A truck has 8. An hour passed 9. A sentence should have 10. An escalator is
11. A uniform must be worn 12. A box was found 13. A marsh lies
14. An idea can be 15. An egg is<BR>
<BR>
<A NAME="a2"></A>
Answers to <A HREF="#2">Exercise 2</A>:<BR>
<U>the</U> park, <U>a</U> tour. <U>The</U> guide. <U>an</U> eagle. <U>A</U> child, <U>the</U> tour, <U>a</U> beaver,
<U>the</U> park. <U>The</U> guide. <U>a</U> road, <U>a</U> path, <U>a</U> marshy pond.
<U>the</U> child, <U>a</U> beaver. <U>the</U> beaver. <U>the</U> pond.
<U>a</U> pile, <U>the</U> beaver. <U>a</U> photograph, <U>the</U> house.
<U>the</U> guide, <U>the</U> pond, <U>a</U> small telescope. <U>the</U> telescope. <U>a</U> tall tree.
<U>a</U> bald eagle.
<U>the</U> telescope, <U>the</U> eagle. <U>the</U> eagle.
<U>a</U> wonderful experience, <U>the</U> park.<BR>
<BR>
<A NAME="a3"></A>
Answers to <A HREF="#3">Exercise 3</A>:<BR>
1. a [profession] 2. An [general statement] 3. The [considered
as a class] 4. an [per] 5. the [obvious what is meant] 6. the [unique] 
7. a [profession] 8. A [general statement] 9. a [per] 10. the [unique] 
11. an [profession] 12. the [unique] 13. a [per] 14. the [unique],
the [obvious what is meant] 15. the [unique]<BR>
<BR>

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